Open-booked clock



FIG. 1 is a top plan view of my open-booked clock showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The ornamental design for a open-booked clock, as shown.